Efficacy and safety of a patient-positioning device (EZ-FIX) for endoscopic retrograde cholangiopancreatography

Table 1 Baseline characteristics of the EZ-FIX and non-EZ-FIX groups n (%)

	EZ-FIX(n = 53)	Non-EZ-FIX(n = 52)	P value
Age (yr)	68.0 ± 15.4	67.0 ± 14.0	0.837
Gender (male: female)	55:45	56:44	0.914
Weight (kg)	59.42 ± 10.36	60.79 ± 10.75	0.507
Procedure time (min)	24.66 ± 13.58	27.15 ± 11.73	0.317
ASA classification			0.458
1-2	42 (79.2)	38 (73.1)
3-4	11 (20.8)	14 (26.9)

Table 2 Efficacy in the EZ-FIX and non-EZ-FIX groups

	EZ-FIX(n = 53)	Non-EZ-FIX(n = 52)	P value
Total dose of midazolam	2.42 ± 1.88	2.41 ± 1.91	0.976
Total dose of propofol	89.43 ± 49.8	112.4 ± 53.8	0.025
Induction time, min	3.37 ± 0.94	3.72 ± 1.02	0.067
Recovery time, min	11.23 ± 4.61	14.96 ± 5.12	< 0.001
Pt. satisfaction score	7.26 ± 2.25	7.29 ± 2.47	0.722
Dr. satisfaction score	8.11 ± 0.99	6.54 ± 1.40	< 0.001
Nr. satisfaction score	7.81 ± 1.03	6.02 ± 1.74	< 0.001

Table 3 Safety index and complications during and after endoscopic retrograde cholangiopancreatography n (%)

	EZ-FIX(n = 53)	Non-EZ-FIX(n = 52)	P value
Below 90% in SaO2 for ≥ 30 s	4 (3.8)	6 (5.7)	0.060
↓ 20 mmHg in BP	8 (7.6)	9 (8.6)	0.800
↓ 20% in PR	3 (2.9)	3 (2.9)	1
Death	-	-	-
Procedure-related complications			0.735
Pancreatitis	5	4
Bleeding	1	2
Perforation	-	1

BP: Blood pressure; PR: Pulse rate.